Pakistan(01 of09)
Open Image ModalPakistani investigators and security officials look for forensic evidence at a Shiite mosque in Shikarpur, Pakistan, Friday, Jan. 30, 2015. A bomb blast ripped through a mosque in Pakistan belonging to members of the Shiite minority sect of Islam just as worshippers were gathering for Friday prayers, killing dozens of people and wounding many others, officials said. (AP Photo/Khalid Hussain) (credit:ASSOCIATED PRESS)
Pakistan(02 of09)
Open Image ModalPeople help a person injured in a bomb blast as he arrives at a local hospital in Shikarpur, Pakistan, Friday, Jan. 30, 2015. A bomb ripped through a mosque in Pakistan belonging to members of the Shiite minority sect of Islam just as worshippers were gathering for Friday prayers, killing dozens of people and wounding many others, officials said. (AP Photo/Khalid Hussain) (credit:ASSOCIATED PRESS)
Pakistan(03 of09)
Open Image ModalPakistani investigators and security officials look for evidence at a Shiite mosque in Shikarpur, Pakistan, Friday, Jan. 30, 2015. The bomb blast ripped through a mosque in Pakistan belonging to members of the Shiite minority sect of Islam just as worshippers were gathering for Friday prayers, killing dozens of people and wounding many more, officials said. (AP Photo/Khalid Hussain) (credit:ASSOCIATED PRESS)
Bomb Blast Kills Dozens at Shia mosque in Pakistan(04 of09)
Open Image ModalSHIKARPUR, PAKISTAN - JANUARY 30 : Pakistani people gather outside the Shia mosque after a bomb attack in the town of Shikarpur, Pakistan, on January 30, 2015. At least 40 people have been killed and 50 injured in a blast at a Shia mosque in southern Pakistan on Friday. (Photo by Ali Nawaz/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Bomb Blast Kills Dozens at Shia mosque in Pakistan(05 of09)
Open Image ModalSHIKARPUR, PAKISTAN - JANUARY 30 : Pakistani people gather outside the Shia mosque after a bomb attack in the town of Shikarpur, Pakistan, on January 30, 2015. At least 40 people have been killed and 50 injured in a blast at a Shia mosque in southern Pakistan on Friday. (Photo by Ali Nawaz/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
Bomb Blast Kills Dozens at Shia mosque in Pakistan(06 of09)
Open Image ModalSHIKARPUR, PAKISTAN - JANUARY 30 : Pakistani people gather outside the Shia mosque after a bomb attack in the town of Shikarpur, Pakistan, on January 30, 2015. At least 40 people have been killed and 50 injured in a blast at a Shia mosque in southern Pakistan on Friday. (Photo by Ali Nawaz/Anadolu Agency/Getty Images) (credit:Anadolu Agency via Getty Images)
PAKISTAN-UNREST-BLAST-SECTARIAN(07 of09)
Open Image ModalPakistani Shiite Muslims shout slogans during a protest in Karachi on January 30, 2015, after a bomb tore through a busy Shiite mosque in Shikarpur, Sindh province, around 470 kilometres (300 miles) north of Karachi. A powerful bomb tore through a busy Shiite mosque in southern Pakistan today, killing more than 60 people in the country\'s deadliest sectarian attack in nearly two years. AFP PHOTO / RIZWAN TABASSUM (Photo credit should read RIZWAN TABASSUM/AFP/Getty Images) (credit:RIZWAN TABASSUM via Getty Images)
PAKISTAN-UNREST-BLAST-SECTARIAN(08 of09)
Open Image ModalPakistani commuters drive past burning tyres during a protest in Karachi on January 30, 2015, against the deadly attack targeting the Shiite community in Shikarpur, Sindh province, around 470 kilometres (300 miles) north of Karachi. A powerful bomb tore through a busy Shiite mosque in southern Pakistan today, killing more than 60 people in the country\'s deadliest sectarian attack in nearly two years. AFP PHOTO / RIZWAN TABASSUM (Photo credit should read RIZWAN TABASSUM/AFP/Getty Images) (credit:RIZWAN TABASSUM via Getty Images)
PAKISTAN-UNREST-BLAST-SECTARIAN(09 of09)
Open Image ModalPakistani Shiite Muslims shout slogans during a protest in Karachi on January 30, 2015, after a bomb tore through a busy Shiite mosque in Shikarpur, Sindh province, around 470 kilometres (300 miles) north of Karachi. A powerful bomb tore through a busy Shiite mosque in southern Pakistan today, killing more than 60 people in the country\'s deadliest sectarian attack in nearly two years. AFP PHOTO / RIZWAN TABASSUM (Photo credit should read RIZWAN TABASSUM/AFP/Getty Images) (credit:RIZWAN TABASSUM via Getty Images)